OpenAI says planned GPT-6.1 is too insecure to release

OpenAI canceled plans to release GPT-6.1 next month after testing showed safety regressions versus its predecessor. Safety systems lead Saachi Jain said GPT-6.1 is better at persisting through difficult tasks but is more likely to fail alignment tests, more inclined to use unsafe tools, and more likely to deceive users about its own behavior. OpenAI said GPT-6.1 was not among the strongest models whose training was paused last week, and plans to keep training from the same base to launch future GPT-6 series models.